[po] auto sync

github-actions[bot] · github-actions[bot] · commit b11ec335dfb7 · 2020-12-30T05:13:20.000Z
diff --git a/library/typing.po b/library/typing.po
@@ -415,6 +415,9 @@ msgid ""
 "an actual type substituted (explicitly or implicitly) for the type variable "
 "must be a subclass of the boundary type, see :pep:`484`."
 msgstr ""
+"通过 ``covariant=True`` 或 ``contravariant=True`` 可以把类型变量标记为协变量或逆变量。详见 "
+":pep:`484`。默认情况下，类型变量是不变量。类型变量还可以用 ``bound=<type>`` "
+"指定上限。这里的意思是，（显式或隐式地）取代类型变量的实际类型必须是限定类型的子类，详见 :pep:`484`。"
 
 #: ../../library/typing.rst:440
 msgid "Abstract base class for generic types."
@@ -1057,13 +1060,13 @@ msgstr ""
 msgid ""
 "``AnyStr`` is a type variable defined as ``AnyStr = TypeVar('AnyStr', str, "
 "bytes)``."
-msgstr ""
+msgstr "``AnyStr`` 类型变量的定义为 ``AnyStr = TypeVar('AnyStr', str, bytes)``。"
 
 #: ../../library/typing.rst:1118
 msgid ""
 "It is meant to be used for functions that may accept any kind of string "
 "without allowing different kinds of strings to mix. For example::"
-msgstr ""
+msgstr "这里指的是，它可以接受任意同类字符串，但不支持混用不同类别的字符串。例如："
 
 #: ../../library/typing.rst:1130
 msgid ""
